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Table 1 Clinical profiles of the 17 patients with IgG4-SC

From: Usefulness of peroral cholangioscopy in the differential diagnosis of IgG4-related sclerosing cholangitis and extrahepatic cholangiocarcinoma: a single-center retrospective study

Characteristics

Values

Age (years)

63 (51–77)

Sex (male: female)

16: 1

Serological findings

 Serum IgG4 (mg/dL)

264 (21–2590)

 Elevated serum IgG4 level (≥135 mg/dL), n (%)

15 (88%)

 Serum IgG (mg/dL)

1543 (807–5530)

 Total bilirubin (mg/dL)

1.2 (0.6–22.4)

 ALP (IU/L)

677 (107–1331)

 CA19–9 (U/L)

10 (0–107)

Cholangiographic classification, n (%)

 Type 1

7 (41%)

 Type 2

0 (0%)

 Type 3

2 (12%)

 Type 4

8 (47%)

Other organ involvement, n (%)

15 (88%)

 Autoimmune pancreatitis

15 (88%)

 Sclerosing dacryoadenitis & sialadenitis

3 (18%)

 Retroperitoneal fibrosis

1 (6%)

Diagnosis, n (%)

 Definite

15 (88%)

 Probable

1 (6%)

 Possible

1 (6%)

Steroid therapy, n (%)

14 (82%)

  1. Data are expressed as number (percentage) or median (range)
  2. IgG4-SC, IgG4-related sclerosing cholangitis; ALP, alkaline phosphatase; CA19–9, carbohydrate antigen 19–9